CSS Minifier

Minify CSS to reduce file size and speed up your site.

Über dieses Tool

The CSS Minifier removes comments, unnecessary whitespace and line breaks from your stylesheet to make it as small as possible, which speeds up page loads and improves Core Web Vitals. Paste your CSS, minify it, and copy the compact result. It also reports how many bytes you saved.

So funktioniert es

  1. 1Paste your CSS code.
  2. 2Click Minify.
  3. 3Copy the compressed CSS.

Vorteile

  • Smaller files, faster pages.
  • Shows bytes saved.
  • Runs instantly in your browser.

Detailed guides for this tool

Learn the underlying concepts, worked examples and common mistakes before relying on the result.

Häufig gestellte Fragen

Will minifying break my CSS?+

No. It only removes comments and redundant whitespace, keeping the styles functionally identical.

Should I keep an unminified copy?+

Yes. Keep your original readable CSS for editing and minify only for production.

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